Anti-tamper fastener



FIG. 1 is an isometric view of an anti-tamper fastener portion showing my new design.

FIG. 2 is a top end view of the anti-tamper fastener portion shown in FIG. 1.

FIG. 3 is a bottom end view of the anti-tamper fastener portion shown in FIG. 1; and,

FIG. 4 is a partial cross-sectional front elevation view of the anti-tamper fastener portion taken along line 5—5 in FIG. 3.

The portions of the drawings appearing in broken line are for environment only and do not form a part of the design. 

The ornamental design for an anti-tamper fastener, as shown and described. 